iOS 认识UI

1.认识UIUIViewControlle :试图控制器,管理试图,充当MVC模式中的CUIView: 充当MVC模式当中的V,试图容器UItextfield : 显示文本,可以成为相应者的弹出键盘,接受键盘的输入UILabel : 用来显示文字UIButton : 点击事件,可以显示文字或图片superView:代表父控件subViews:代表子控件tag:标签,一般用来给按钮设置记录值 frame:能修改位置和尺寸 center:能修改位置 bounds:能修改尺寸(x\y一般都是0)2.UIButton 有四种状态: 普通,高亮,失效,选中可以设置点击事件:

<span style="font-family:Comic Sans MS;">[button addTarget:selfaction:@selector(buttonClick)forControlEvents:</span>

<span style="font-family:Comic Sans MS;">UIControlEventTouchUpInside];</span>

<span style="font-family:Comic Sans MS;">
</span>

<span style="font-family:Comic Sans MS;">
</span>

<span style="font-family:Comic Sans MS;">CGAffineTransform transgorm = self.imgBtton.transform;</span>

<span style="font-family:Comic Sans MS;">transform = CGAffienTransformTranslate(transform, 0.0 ,-100.0);   //移动</span>

<span style="font-family:Comic Sans MS;">transform  = </span><span style="font-family: 'Comic Sans MS';">CGAffienTransformDcale(transform, 1.1,1.1); //缩放</span>

<span style="font-family:Comic Sans MS;">transform  = </span><span style="font-family: 'Comic Sans MS';">CGAffienTransformRotate(transform, M_PI_2); //旋转</span><span style="font-family:Comic Sans MS;">

</span><pre name="code" class="objc">

[UIView beginAnimations:nil context:nil];  //开始动画

[UIView setAnimationDuration:1.0]//设置动画的时间

[UIView commitAimations];  //结束动画

UIButton继承结构是:UIButton -->UIControl -->UIView -->UIReponder -->NSObject